Re: compilation hangs on Ubuntu

[Eugène Adell <eugene.adell () gmail com>]

It doesn't hang, it returns :

2;7;12

As requested, the strace is attached.





2018-05-13 22:29 GMT+02:00 Jakub Zawadzki <darkjames-ws () darkjames pl>:

> Hello,
>
> W dniu 2018-05-13 17:15, Eugène Adell napisał(a):
>
> > I'm facing a problem on my development server (Ubuntu 16.04 hosted on
> > VMWARE) when trying to compile Wireshark. It was working with older
> > versions (2.0 for example), but now it's like the compilation will never
> > end.
> > I installed/updated all the required packages, since version 2.6 seems
> > quite different.
> >
> > I'm doing an strace -f -o to find out what could be wrong, but no clue.
> > The
> > strace log being too big, here is how it looks like :
> >
> > 1900  execve("/usr/bin/cmake", ["cmake", "-LH", "../wireshark"], [/*
> > 22 vars */]) = 0
> > [cut]
> >
> >
> > thousands of lines such as :
> >
> > 1901  open("/proc/537/status", O_RDONLY) = -1 ENOENT (No such file or
> > directory)
> > 1901  open("/proc/538/status", O_RDONLY) = -1 ENOENT (No such file or
> > directory)
> > 1901  open("/proc/539/status", O_RDONLY) = -1 ENOENT (No such file or
> > directory)
> > 1901  open("/proc/540/status", O_RDONLY) = -1 ENOENT (No such file or
> > directory)
> > 1901  open("/proc/541/status", O_RDONLY) = -1 ENOENT (No such file or
> > directory)
> > 1901  open("/proc/542/status", O_RDONLY) = -1 ENOENT (No such file or
> > directory)
> > 1901  open("/proc/543/status", O_RDONLY) = -1 ENOENT (No such file or
> > directory)
> > 1901  open("/proc/544/status", O_RDONLY) = -1 ENOENT (No such file or
> > directory)
> >
> >
> > then thousands and thousands of lines such as the following, and it seems
> > it will never end :
> >
> > 1901  open("/proc/882/status", O_RDONLY) = 3
> > 1901  fstat(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
> > 1901  read(3, "Name:\tvmhgfs-fuse\nUmask:\t0000\nSt"..., 1024) = 1024
> > 1901  read(3, "0000,00000000,00000000,00000000,"..., 1024) = 263
> > 1901  read(3, "", 1024)                 = 0
> > 1901  close(3)                          = 0
> > 1901  open("/proc/965/status", O_RDONLY) = 3
> > 1901  fstat(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
> > 1901  read(3, "Name:\tsystemd-logind\nUmask:\t0022"..., 1024) = 1024
> > 1901  read(3, "0000000,00000000,00000000,000000"..., 1024) = 269
> > 1901  read(3, "", 1024)                 = 0
> > 1901  close(3)                          = 0
> > 1901  open("/proc/968/status", O_RDONLY) = 3
> > 1901  fstat(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
> > 1901  read(3, "Name:\tdbus-daemon\nUmask:\t0022\nSt"..., 1024) = 1024
> > 1901  read(3, "00,00000000,00000000,00000000,00"..., 1024) = 283
> > 1901  read(3, "", 1024)                 = 0
> > 1901  close(3)                          = 0
> >
> >
> > How can I resolve this ?
>
> Not sure, but it seems that first subprocess (1901 == 1900 + 1) makes some
> strange things.
>
> Looking on my strace output of cmake -LH ../wireshark:
>
> 6410  execve("/usr/bin/cmake", ["cmake", "-LH", "../wireshark/"],
> 0x7ffe72092520 /* 32 vars */) = 0
> (..)
> 6410  clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD,
> child_tidptr=0x7f7cde41ba50) = 6411
> 6411  execve("/usr/bin/python", ["/usr/bin/python", "-c", "import sys;
> sys.stdout.write(';'.join([str(x) for x in sys.version_info[:3]]))"],
> 0x7ffc7adb4958 /* 32 vars */) = 0
>
> first execve() is /usr/bin/python -c "import sys;
> sys.stdout.write(';'.join([str(x) for x in sys.version_info[:3]]))"
>
> Is it same for you? If you run from same shell:
>   /usr/bin/python -c "import sys; sys.stdout.write(';'.join([str(x) for x
> in sys.version_info[:3]]))"
>
> does it hang?
>
> Could you please attach gzip compressed strace log?
>
>
> Kind Regards,
> Jakub.
>
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